OpenTechnical

OT-2026-000088072

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000088072) never changes.

Identity and time

Publication numberOT-2026-000088072 · never reused
Internal UUID01a0ae9b-1aa7-7dda-9d73-aecfa9b2a818 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088072
StatusPUBLIC

Content hashes

Canonical textccf193af6088da1a5bb04a0672c9645bf268c3cb0de43005b926cfadf51464e6
Markdownad6403956588c447e5295621369f2b9b651d13698cc05247ea93132535c0e2f3
PDF
Publication page1c722895e1a1c53763300431a5fed8485af3a6aee98da3294e12d00ac4bf18e4
Manifest12a709fdf2d03797ce325b499a702290f0af2c9400b574028e606345edb7e0b7

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature0dslUnMNZtatnrg8rNE4g2oEHAyP8MEDz4eKszSTujSakPhJkXyoGaO0+sd29TXSXXoGVs0hsl2Tc9AGxp8/AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:50:04.259522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088072
observed 1c722895e1a1c53763300431a5fed848...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:04.241578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088072/manifest.json
observed 12a709fdf2d03797ce325b499a702290...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:04.222376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088072/publication.md
observed ad6403956588c447e5295621369f2b9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:04.204712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088072/publication.txt
observed ccf193af6088da1a5bb04a0672c9645b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:03.427201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088072
observed 1c722895e1a1c53763300431a5fed848...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:03.407655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088072/manifest.json
observed 12a709fdf2d03797ce325b499a702290...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:03.391106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088072/publication.md
observed ad6403956588c447e5295621369f2b9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:03.372534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088072/publication.txt
observed ccf193af6088da1a5bb04a0672c9645b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.